Tube à rayons x à cathode à incandescence,申请号FRD679628-传众专利搜索

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发明名称	Tube à rayons x à cathode à incandescence
摘要
申请公布号	FR679628(A)	申请公布日期	1930.04.15
申请号	FRD679628	申请日期	1929.07.31
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J35/06	主分类号	H01J35/06
代理机构		代理人
主权项
地址

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